256688236

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{539261}}^1$

素因数の和:539289

約数の個数: 24

約数和(自身を含む): 543576096

約数和(自身を除く): 286887860

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 539261, 1078522, 2157044, 3774827, 7549654, 9167437, 15099308, 18334874, 36669748, 64172059, 128344118, 256688236]

約数ペア:

[(1, 256688236), (2, 128344118), (4, 64172059), (7, 36669748), (14, 18334874), (17, 15099308), (28, 9167437), (34, 7549654), (68, 3774827), (119, 2157044), (238, 1078522), (476, 539261)]